married life vs marriage life

Hello,

Could you tell me which of the following is correct?

A: 10 tips on a happy married life
B: 10 tips on a happy marriage life
C: 10 tips on happy married life
D: 10 tips on happy marriage life

Thanks a lot! :slight_smile:

A is correct, C is acceptable.
The others are incorrect.

Thanks a lot!

It`s a very good tip. Thanks so much.